/******
 * p21-47 取地址运算
 */
char *a = "abc";
char b[] = "defg";
char *c[] = {"Hello", "World"};
char d[][4] = {"say", "hi"};

int i2[][3] = {1,2,3,4,5,6,7};
//init
void setup(){
    Serial.begin(9600);
    while(*a) {
        Serial.println(*a);
        *a ++;
    }
}

//loop
void loop() {
  
}
